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Type:
Bug
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Resolution: Fixed
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: None
What happened?
Concurrent Realm.GetInstance calls fail if the realm file doesn't exist yet.
See repro steps: "t1" fails - t2, t3 and t4 succeed
Not reproducible with Realm 10.9.0!
Repro steps
execute NUnit test (also reproducible with Xamarin Android app):
[Test]
public async Task Test_ParallelOpen()
{
try
{
var t1 = Task.Run(() =>
{
using var realm = Realm.GetInstance(Path.Combine(_baseDirectory, "foobar.realm"));
});
var t2 = Task.Run(() =>
{
using var realm = Realm.GetInstance(Path.Combine(_baseDirectory, "foobar.realm"));
});
await Task.WhenAll(t1, t2);
}
catch (Exception)
{
var t3 = Task.Run(() =>
{
using var realm = Realm.GetInstance(Path.Combine(_baseDirectory, "foobar.realm"));
});
var t4 = Task.Run(() =>
{
using var realm = Realm.GetInstance(Path.Combine(_baseDirectory, "foobar.realm"));
});
await Task.WhenAll(t3, t4);
throw;
}
}
Version
10.21.1
What Atlas Services are you using?
Local Database only
What type of application is this?
Console/Server
Client OS and version
Mac OS 12.6.5
Code snippets
No response
Stacktrace of the exception/crash you're getting
Unable to find source-code formatter for language: shell. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
Starting test execution, please wait... A total of 1 test files matched the specified pattern. Failed Test_ParallelOpen [440 ms] Error Message: System.ArgumentException : The specified table name is already in use Stack Trace: at Realms.NativeException.ThrowIfNecessary() at Realms.SharedRealmHandle.Open(Configuration configuration, RealmSchema schema, Byte[] encryptionKey) at Realms.RealmConfiguration.CreateHandle(RealmSchema schema) at Realms.RealmConfigurationBase.CreateRealm() at Realms.Realm.GetInstance(RealmConfigurationBase config) at Realms.Realm.GetInstance(String databasePath) at RealmTableInUse.Test.Tests.<Test_ParallelOpen>b__4_0() in /xxxx/Playground/RealmTableInUse/RealmTableInUse.Test/UnitTest1.cs:line 45 at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location --- at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) --- End of stack trace from previous location --- at RealmTableInUse.Test.Tests.Test_ParallelOpen() in /xxxx/Playground/RealmTableInUse/RealmTableInUse.Test/UnitTest1.cs:line 53 at RealmTableInUse.Test.Tests.Test_ParallelOpen() in /xxxx/Playground/RealmTableInUse/RealmTableInUse.Test/UnitTest1.cs:line 69 at NUnit.Framework.Internal.TaskAwaitAdapter.GenericAdapter`1.BlockUntilCompleted() at NUnit.Framework.Internal.MessagePumpStrategy.NoMessagePumpStrategy.WaitForCompletion(AwaitAdapter awaiter) at NUnit.Framework.Internal.AsyncToSyncAdapter.Await(Func`1 invoke) at NUnit.Framework.Internal.Commands.TestMethodCommand.RunTestMethod(TestExecutionContext context) at NUnit.Framework.Internal.Commands.TestMethodCommand.Execute(TestExecutionContext context) at NUnit.Framework.Internal.Commands.BeforeAndAfterTestCommand.<>c__DisplayClass1_0.<Execute>b__0() at NUnit.Framework.Internal.Commands.DelegatingTestCommand.RunTestMethodInThreadAbortSafeZone(TestExecutionContext context, Action action) Failed! - Failed: 1, Passed: 0, Skipped: 0, Total: 1, Duration: 440 ms - RealmTableInUse.Test.dll (net7.0)
Relevant log output
No response